Osdu-sdk

- client put & put_returning_json functions

- entitlements add_member_to_group role parameter
- added entitlements remove_member_from_group function

- Search query function

- Search query_by_id function

- Reusable client base
- Entitlements client

- basic search client
- client *_returning_json throw HTTPError on http error
- remove post_json_returning_json use post_returning_json instead